The Piston,hydraulic Brake, cataloged under National Stock Number 1630-00-522-5806, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. The manufacturer of record is Goodyear Tire and Rubber Co the. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1630-00-522-5806 |
| Primary Part Number | 9531503 |
| Item Name | Piston,hydraulic Brake |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | Goodyear Tire and Rubber Co the |
| Status | ACTIVE |
| FSC Application Data | BRAKE,SINGLE DISK,ACFT |
| Length | 1.875 INCHES NOMINAL IN |
| Piston Cup | NOT INCLUDED |
| Surface Condition | EXTERNALLY GROOVED |
| Groove Depth | 0.185 INCHES NOMINAL IN |
| Outside Diameter | 3.422 INCHES NOMINAL IN |
| Size Designator | 3.375 IN. IN |
| Material | MAGNESIUM ALLOY |
| Construction Type | ONE-PIECE |
| Groove Width | 0.281 INCHES NOMINAL IN |
| Shoe Actuating End Type | RECESSED FOR STEEL INSERT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9531503 PRIMARY | Goodyear Tire and Rubber Co the (USA) |
NSN 1630-00-522-5806 is a Piston,hydraulic Brake, manufactured by Goodyear Tire and Rubber Co the, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-00-522-5806 has 1 manufacturer part number on file: 9531503 (Goodyear Tire and Rubber Co the).
Key specifications for 9531503: FSC Application Data: BRAKE,SINGLE DISK,ACFT; Length: 1.875 INCHES NOMINAL IN; Piston Cup: NOT INCLUDED; Surface Condition: EXTERNALLY GROOVED. 11 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.